This chapter describes screening using the Operator mode.
13.1
Introduction
The basics of the Operator mode is to first build up a base of reference temperature sam-
ples. When a person is screened, the camera compares the measured temperature with
the average of the reference samples. If the camera detects an elevated temperature, an
alarm will trigger.
13.1.1
Important considerations
To ensure consistent measurements, it is important that the screened person is at a cor-
rect distance from the camera. The recommended distance is 1–2 m (3–6 ft.). The cor-
rect distance can be achieved by a marking on the floor or by using a silhouette in the
camera graphics.
For accurate screening results, the following factors should be considered:
• Screening is best with room temperatures maintained below 24°C (76°F) and relative
humidity below 50 %.
• Screening should be carried out in an area with no air movement, out of direct sun-
light, and away from heat sources.
• Avoid locations with reflective backgrounds (e.g. windows, glass doors, or metallic
surfaces).
• Allow for people to stabilize their temperature if it was raised by exercise or physical
activity.
You should also consider personal integrity matters. For more information, see section
11.4
.
13.1.2
Work flow
The screening work flow involves the following steps:
1. Prepare the camera.
2. Activate and configure Operator mode.
3. Record reference samples.
4. Perform the screening.
5. Record new samples to keep the sampled average up to date.
13.2
User interface
1. Sampled average temperature.
2. Alarm limit.
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